About: Homogeneity of ultrafine-grained copper deformed by high-pressure torsion characterized by positron annihilation and microhardness

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.sciencedirect.com/science/article/pii/S1359646211001965
Description	Spatially resolved positron annihilation was employed for mapping lateral defect distribution in Cu deformed by high-pressure torsion. Parameters describing Doppler broadening of the annihilation peak were used for mapping the spatial distribution of defects. In comparison with microhardness showing a clear development towards homogeneity, positron annihilation revealed that spatial distribution of defects was far from uniform, even after 25 turns. This was mainly due to a higher concentration of deformation- induced vacancies at the periphery compared with the center. Spatially resolved positron annihilation was employed for mapping lateral defect distribution in Cu deformed by high-pressure torsion. Parameters describing Doppler broadening of the annihilation peak were used for mapping the spatial distribution of defects. In comparison with microhardness showing a clear development towards homogeneity, positron annihilation revealed that spatial distribution of defects was far from uniform, even after 25 turns. This was mainly due to a higher concentration of deformation- induced vacancies at the periphery compared with the center. (en)
Title	Homogeneity of ultrafine-grained copper deformed by high-pressure torsion characterized by positron annihilation and microhardness Homogeneity of ultrafine-grained copper deformed by high-pressure torsion characterized by positron annihilation and microhardness (en)
skos:prefLabel	Homogeneity of ultrafine-grained copper deformed by high-pressure torsion characterized by positron annihilation and microhardness Homogeneity of ultrafine-grained copper deformed by high-pressure torsion characterized by positron annihilation and microhardness (en)
skos:notation	RIV/00216208:11320/11:10100345!RIV12-AV0-11320___
http://linked.open...avai/predkladatel	Matematicko-fyzikální fakulta
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(IAA101120803), P(KAN300100801), S, Z(MSM0021620834)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Janeček, Miloš Melikhova, Oksana Procházka, Ivan Čížek, Jakub Srba, Ondřej Barnovská, Zuzana
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	202666
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/11:10100345
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	microhardness; positron annihilation; high-pressure torsion; ultrafine-grained copper (en)
http://linked.open.../riv/klicoveSlovo	ultrafine-grained copper microhardness positron annihilation high-pressure torsion
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[C5C9028D2DF8]
http://linked.open...i/riv/nazevZdroje	Scripta Materialia
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Structure stability of fine-grained materials prepared by severe plastic deformation Multifunctional bulk metallic materials with nanocrystalline and ultrafine-grained structure
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	65
http://linked.open...iv/tvurceVysledku	Janeček, Miloš Melikhova, Oksana Procházka, Ivan Čížek, Jakub Barnovská, Zuzana Srba, Ondřej Dobatkin, S. V.
http://linked.open...ain/vavai/riv/wos	000291133800024
http://linked.open...n/vavai/riv/zamer	Condensed Matter Physics – New Materials and Technologies
issn	1359-6462
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.scriptamat.2011.04.006
http://localhost/t...ganizacniJednotka	11320
is http://linked.open...avai/riv/vysledek of	Homogeneity of ultrafine-grained copper deformed by high-pressure torsion characterized by positron annihilation and microhardness Homogeneity of ultrafine-grained copper deformed by high-pressure torsion characterized by positron annihilation and microhardness

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